/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.jena.sparql.engine.benchmark;

import org.junit.Assert;

public class QueryTaskTestUtils {
    /**
     * Util method to execute a query task and assess the result.
     * Result is asserted using junit's {@link Assert}.
     * This method is shared between unit testing and benchmarking.
     */
    public static void execAndAssert(QueryTask task) {
        if (!task.skipExecution()) {
            QueryTaskResult data = task.exec();

            long expectedResultSetSize = task.getExpectedResultSetSize();
            long actualResultSetSize = data.getResultSetSize();

            if (!task.skipValidation()) {
                if (expectedResultSetSize >= 0) {
                    Assert.assertEquals(expectedResultSetSize, actualResultSetSize);
                } else {
                    // If no expected result set size was configured then write the actual one to console.
                    System.err.println("Expected result set size not set. Actual size was: " + actualResultSetSize);
                }
            }

            boolean debugOutput = false;
            if (debugOutput) {
                System.err.println(String.join("\n",
                    "Query exec result:",
                    // "Query:", data.getOptimizedOpString(),
                    "Result count:", Long.toString(data.getResultSetSize())));
            }
        }
    }
}
